linux-kernel - Re: [PATCH v3 1/1] nvmem: Change return type of reg read/write to ssize

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Message-ID: <d95cafca-bc4c-4571-a6ed-b66b6f63a579@collabora.com>
Date: Fri, 10 May 2024 12:11:21 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Joy Chakraborty <joychakr@...gle.com>, Hector Martin <marcan@...can.st>,
 Sven Peter <sven@...npeter.dev>, Alyssa Rosenzweig <alyssa@...enzweig.io>,
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>,
 Vladimir Zapolskiy <vz@...ia.com>, Neil Armstrong
 <neil.armstrong@...aro.org>, Kevin Hilman <khilman@...libre.com>,
 Jerome Brunet <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 Claudiu Beznea <claudiu.beznea@...on.dev>,
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 Bjorn Andersson <andersson@...nel.org>,
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Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, asahi@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-amlogic@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
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 manugautam@...gle.com
Subject: Re: [PATCH v3 1/1] nvmem: Change return type of reg read/write to
 ssize_t

Il 10/05/24 10:29, Joy Chakraborty ha scritto:
> Change return type of reg_read() and reg_write() callback to ssize_t for
> nvmem suppliers to return number of bytes read/written to the nvmem core.
> 
> Currently nvmem core assumes the amount of data read/written is equal
> to what it has requested from the supplier, this return code facilitates
> better error handling in the nvmem core.
> 
> Signed-off-by: Joy Chakraborty <joychakr@...gle.com>

For MediaTek:

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>